EGR Position Sensor Circuit Low Voltage *

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Trouble Ticket Help Requests for DTC P0405

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2003 Ford F-250 Super Duty XL 6.0L MIL Lamp on, Injector pump noiseVIN: 1FTNX21P83P0405: EGR Position Sensor 'A' Circuit Low Voltage. Customer complaint of a noise when vehical was turned off
and happens all the time.
Found what i belive is the injection pump buzzing-humming
for 30 seconds or more after key has been removed. Same
noise as key on for 5 seconds when fuel system pressurizes.
V...

2003 Ford F-250 Super Duty XL 6.0L MIL Lamp on, Injector pump noiseVIN: 1FTNX21P83P0405: EGR Position Sensor 'A' Circuit Low Voltage. Customer complaint of a noise when vehical was turned off
and happens all the time.
Found what i belive is the injection pump buzzing-humming
for 30 seconds or more after key has been removed. Same
noise as key on for 5 seconds when fuel system pressurizes.
V...